import Foundation

struct CardFingerprint: Codable, Identifiable, Sendable {
    let id: UUID
    let name: String
    let setCode: String
    let collectorNumber: String
    let hasFoilPrinting: Bool
    let hasSerializedPrinting: Bool?
    let featureData: Data
    var priceScanned: Double? = nil
}

struct CardMetadata: Identifiable, Sendable {
    let id: UUID
    let name: String
    let setCode: String
    let collectorNumber: String
    let hasFoilPrinting: Bool
    let hasSerializedPrinting: Bool
    var priceScanned: Double? = nil
    var rarity: String? = nil
    var colorIdentity: [String]? = nil
    var isSerialized: Bool = false
}

struct SavedCard: Codable, Identifiable, Hashable, Sendable {
    let id: UUID
    let scryfallID: String
    var name: String
    var setCode: String
    var collectorNumber: String
    let imageFileName: String
    var condition: String
    var foilType: String
    var currentValuation: Double?
    var previousValuation: Double?
    var dateAdded: Date
    var classification: String
    var collectionName: String
    var storageLocation: String
    var rarity: String?
    var colorIdentity: [String]?

    // Grading Fields
    var gradingService: String? // PSA, BGS
    var grade: String?          // 10, 9.5
    var certNumber: String?     // 123456
    var isCustomValuation: Bool = false
    var isSerialized: Bool? = false
    var currencyCode: String?

    init(from scan: CardMetadata, imageName: String, collection: String, location: String) {
        self.id = UUID()
        self.scryfallID = "\(scan.setCode)-\(scan.collectorNumber)"
        self.name = scan.name
        self.setCode = scan.setCode
        self.collectorNumber = scan.collectorNumber
        self.imageFileName = imageName
        self.condition = AppConfig.Defaults.defaultCondition
        self.foilType = AppConfig.Defaults.defaultFoil
        self.currentValuation = scan.priceScanned
        self.previousValuation = scan.priceScanned
        self.dateAdded = Date()
        self.classification = "Unknown"
        self.collectionName = collection
        self.storageLocation = location
        self.rarity = scan.rarity
        self.colorIdentity = scan.colorIdentity
        self.isSerialized = scan.isSerialized
    }

    /// Full memberwise init used by SavedCardModel (SwiftData) ↔ SavedCard conversion.
    init(id: UUID, scryfallID: String, name: String, setCode: String, collectorNumber: String,
         imageFileName: String, condition: String, foilType: String, currentValuation: Double?,
         previousValuation: Double?, dateAdded: Date, classification: String, collectionName: String,
         storageLocation: String, rarity: String?, colorIdentity: [String]?,
         gradingService: String?, grade: String?, certNumber: String?,
         isCustomValuation: Bool, isSerialized: Bool?, currencyCode: String?) {
        self.id = id
        self.scryfallID = scryfallID
        self.name = name
        self.setCode = setCode
        self.collectorNumber = collectorNumber
        self.imageFileName = imageFileName
        self.condition = condition
        self.foilType = foilType
        self.currentValuation = currentValuation
        self.previousValuation = previousValuation
        self.dateAdded = dateAdded
        self.classification = classification
        self.collectionName = collectionName
        self.storageLocation = storageLocation
        self.rarity = rarity
        self.colorIdentity = colorIdentity
        self.gradingService = gradingService
        self.grade = grade
        self.certNumber = certNumber
        self.isCustomValuation = isCustomValuation
        self.isSerialized = isSerialized
        self.currencyCode = currencyCode
    }
}

enum MatchResult {
    case exact(CardMetadata)
    case ambiguous(name: String, candidates: [CardMetadata])
    case unknown
}